The Moscow Exchange (MOEX) closed its first transaction day of the week with decline, down 2.15% to 2,430.7 points.
While PhosAgro and Aeroflot were best performers with their shares rising the most, Severstal and AFK Sistema suffered the most severe fall.
Another Russian index, RTS, which is based on the US dollar, decreased by 0.79% to 823.04 points at close.
The US dollar/Russian ruble index dropped by 2.5% as of 1145 GMT to 93.6.
Source: Anadolu Agency